← The evidence ledger
Evidence row 76407
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/cart-preflight
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 366bcd150ce5bfa22e09fb335fbc970de700c5bf2f86bf46dbaa4d338fdec271
- Leaf
- 0xa121cc8ee56c2a4caf2be81002ca964c8d6b914b15350ba52d3f93526e1d1b1d
What was observed
{
"endpoints": [
[
"x402",
"https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/cart-preflight"
]
],
"name": "Forest Commerce",
"owner_address": "0xb48d918151311f982d542ef5c84cc1cd54cff7a9",
"raw": {
"accepts": [
{
"amount": "4000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xb48D918151311F982d542eF5C84cc1cd54CFf7a9",
"scheme": "exact"
}
],
"description": "Preflight an item into a fresh isolated commerce session without touching a customer cart. Sessions are ephemeral and payment/order creation is never attempted. Base mainnet USDC",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"quantity": 2,
"url": "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/products/forest-demo-widget",
"variant_id": "424242"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"capability": "commerce.cart-preflight",
"data": {
"accepted_quantity": 1,
"blockers": [],
"cart_constraints": [],
"cart_possible": false,
"currency": "example",
"item_accepted": false,
"subtotal": 1
},
"meta": {
"cache": "miss",
"checked_at": "2026-01-01T00:00:00.000Z",
"duration_ms": 0,
"provider": "shopify-ajax"
},
"ok": true,
"version": "1"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"quantity": {
"description": "Requested item quantity to validate against provider limits.",
"maximum": 100,
"minimum": 1,
"type": "integer"
},
"url": {
"description": "Public HTTP(S) URL to inspect, resolve, or compare.",
"maxLength": 2048,
"pattern": "^https?://",
"type": "string"
},
"variant_id": {
"description": "Public provider variant identifier to validate.",
"type": "string"
}
},
"required": [
"url",
"quantity"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"capability": {
"const": "commerce.cart-preflight",
"description": "Public capability value used to scope this lookup."
},
"data": {
"additionalProperties": false,
"description": "Public data value used to scope this lookup.",
"properties": {
"accepted_quantity": {
"description": "Public accepted quantity value used to scope this lookup.",
"type": "integer"
},
"blockers": {
"description": "Public blockers value used to scope this lookup.",
"type": "array"
},
"cart_constraints": {
"description": "Public cart constraints value used to scope this lookup.",
"type": "array"
},
"cart_possible": {
"description": "Public cart possible value used to scope this lookup.",
"type": "boolean"
},
"currency": {
"description": "Public currency value used to scope this lookup.",
"type": [
"string",
"null"
]
},
"item_accepted": {
"description": "Public item accepted value used to scope this lookup.",
"type": "boolean"
},
"subtotal": {
"description": "Public subtotal value used to scope this lookup.",
"type": [
"number",
"null"
]
}
},
"required": [
"cart_possible",
"item_accepted",
"accepted_quantity",
"subtotal",
"currency",
"cart_constraints",
"blockers"
],
"type": "object"
},
"meta": {
"additionalProperties": false,
"description": "Public meta value used to scope this lookup.",
"properties": {
"cache": {
"description": "Public cache value used to scope this lookup.",
"enum": [
"hit",
"miss",
"bypass"
]
},
"checked_at": {
"description": "Public checked at value used to scope this lookup.",
"type": "string"
},
"duration_ms": {
"description": "Public duration ms value used to scope this lookup.",
"minimum": 0,
"type": "integer"
},
"provider": {
"description": "Public provider value used to scope this lookup.",
"type": [
"string",
"null"
]
}
},
"required": [
"provider",
"checked_at",
"cache",
"duration_ms"
],
"type": "object"
},
"ok": {
"const": true,
"description": "Public ok value used to scope this lookup."
},
"version": {
"const": "1",
"description": "Package version whose public metadata should be checked."
}
},
"required": [
"ok",
"capability",
"version",
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T18:57:12.289Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-25T18:57:12.065Z"
},
"resource": "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/cart-preflight",
"serviceName": "Forest Commerce",
"tags": [
"commerce",
"cart"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Preflight an item into a fresh isolated commerce session without touching a customer cart. Sessions are ephemeral and payment/order creation is never attempted. Base mainnet USDC"
}What the leaf hashes
{"body":"366bcd150ce5bfa22e09fb335fbc970de700c5bf2f86bf46dbaa4d338fdec271","id":76407,"kind":"listing","method":"baseline/1","observed_us":1793025492230515,"prev":null,"subject":"x402_bazaar:https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/cart-preflight","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xa1217f909711fb8d085fb9314421a2a822e9704fa9bec8c6f6fb482e01ac45ca
- 0x91beed1739f0d8bd8ffbc13a306dbbdc7c5319448c901bd5f34e8663d3a0a505
- 0x32392c3fa91184635b6c0165335251bbbcf18066c6fc1447a45172761ade1f6d
- 0xe40830c038c1a87d015742acd6ffbedd526fae149cbb0923622214f412a3edb8
- 0x0e0b298c6b810bb8b7fb79f8f2347523d7ac0f5af76dad50359a6bf39f3eb644
- 0xd9cc119e9ea783df33a255e2ea3d614e18b673f56735b014d852227e05788429
- 0x818313d35a07fb072aff3ecb9f3f29f71c7f2f3766bfe34f60cf3a1b6db2d18f
- 0xa2fd6f7e5152595f140705cb17b741d18652dc435513b24d537d7106fa1f70ce
- 0x94a882db6311b5de6c22f6ce40639f214b0d77b2898891d5d3f7a08ed0d28f72
- 0xa258d479aaaaa82015c735d0ef4aa282cf307dff00c18952915a153965fc837e
- 0x6e2c6fb1ec16c0d8a0fa917725bdfc512e7ed9f39e77d64f0a911d30e68a27de
- 0x95576cc3dd18642c859f679cefa1cf80bfc6c690b065916c3585b14e8ef4b1b3
- 0xf8d3e004d9a208d2c5e82ab676956d80f8a3c78387c61dad15a3a8269efee0d8
- 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae